debug script - log functions name in order to better understand the data-flow (it's not a subtle solution but I find it handy in some cases)

log_function.py

import sys
import re
import fileinput
import time
import pprint
import collections

def main():
    """
    """
    with open('file.js', 'r') as f:
        content = f.readlines()

    temp = {}
    lineno = 0
    regex = re.compile('^((?!//).)*function.*{$')
    for  l in content:
        lineno += 1
        for m in [regex.search(l)]:
            if m:
                temp[lineno]  = m.group(0)
    
    for i in collections.OrderedDict(sorted(temp.items(), reverse=True)):
        log = 'console.log("!!! {} !!!")\n'.format(pretty_print(content[i-1]))
        content.insert(i, log)

    with open("foo.js", "w") as f:
        f.write(' '.join(content))
   
def pretty_print(log):
    """
    :param arg1: the string to clean
    :type arg1: str
    """
    a = log.replace('\n', ' ').replace("\"", "'")
    str_clean = a.translate ({ord(c): " " for c in "!@#$%^&*()[]{};:,./<>?\|`~-=_+"})
    return str_clean

if __name__ == "__main__":
    main()